The attack, which took place on March 26 in Bisham city of Khyber Pakhtunkhwa's Shangla district, claimed the lives of five Chinese engineers along with one Pakistani citizen.
On behalf of the SIC, attorney Hamid Khan filed the plea requesting that the ECP call an early election to fill 11 Senate seats in the Khyber Pakhtunkhwa province.
During the Senate session, the newly elected senators are slated to recite their oaths, with the election for the chairman and deputy chairman positions set to take place on the same day, according to sources.
Bugti, who took the oath as chief minister on March 2, had earlier hinted that the cabinet would be formed after the Senate elections, and the swearing-in of the ministers was likely on April 4.
Pakistan Tehreek-e-Insaf's core committee said the delay in Khyber Pakhtunkhwa Senate elections was an attempt to blatantly disregard the Constitution, assault the unity of the federation and abuse the voting right.
The Khyber Pakhtunkhwa Senate elections were previously postponed by the Pakistani Election Commission because opposition party members with reserved seats were unable to take the oath of office.
The report claimed that these targeted attacks have resulted in a total of 56 terror incidents, resulting in 77 fatalities and 67 injuries throughout March.
Punjab Chief Minister Maryam Nawaz met with Chinese Consul General Zhao Shiren on Wednesday to express condolences following the terrorist attack in Khyber Pakhtunkhwa's Shangla district, which resulted in the loss of Chinese nationals' lives.
In a statement, a PTI spokesperson called the postponement of Senate polls for not administering the oath to members on reserved seats in the provincial assembly "ridiculous" as the heads of state were also elected without members on reserved seats in national and provincial assemblies.
The ruling coalition on Tuesday swept the Senate elections for 19 seats while the polling was postponed in Khyber Pakhtunkhwa over a dispute in the swearing-in of Opposition members elected to reserved seats, Dawn reported.
Islamabad court on Monday canceled the arrest warrants of Khyber Pakhtunkhwa's Chief Minister Ali Amin Gandapur in a case related to Pakistan Tehreek-e-Insaf 'Haqiqi Azadi March,'